Integration
Connect MailCheck.ai and Square
When something happens in MailCheck.ai or Square, your agent does the next thing in the other. Describe it and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want MailCheck.ai and Square to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiAny client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What MailCheck.ai and Square can do together
From MailCheck.ai to Square
When Domain added to blocklist (instant) in MailCheck.ai
then Add catalog object in Square
From Square to MailCheck.ai
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with MailCheck.ai and Square
Triggers and actions 7 triggers · 21 actions
- Domain added to blocklist (instant)
Fires when a domain is added to the account's blocklist.
- Domain flagged as relay (instant)
Fires when a previously-looked-up domain is newly flagged as a relay/forwarding domain.
- Domain flagged as spam (instant)
Fires when a previously-looked-up domain is newly flagged as a spam domain.
- Domain unflagged as spam (instant)
Fires when a previously-looked-up domain changes from spam to non-spam.
- Get domain
Check a domain for disposable/relay/spam status, MX configuration, age, SPF/DMARC posture, and blocklist status.
- Get email
Check an email address for disposable/relay/role-account status, normalized form, and its domain's signals.
- New order
Triggered when a new order is created at the specified location.
- New or updated customer
Triggered when a customer is created or updated.
- New payment
Triggered when a new payment is received.
- Add catalog object
Creates a catalog object (item, variation, category, tax, discount, modifier list and more) in the Square catalog.
- Add order
Creates a new Square order at a location, with optional line items, taxes, discounts, service charges and a fulfillment.
- Add payment
Creates a payment: charges a card or payment token, or records a cash or external payment the seller received outside Square.
- Add refund
Refund a payment.
- Cancel payment
Cancels (voids) a Square payment that is still in the APPROVED status, i.e. a delayed-capture payment that has not been completed.
- Create customer
Creates a new customer profile.
- Delete catalog object
Deletes a Square catalog object by ID, along with any objects that depend on it (for example an item's variations).
- Delete customer
Deletes a customer profile by ID.
- Find catalog object
Retrieves a catalog object (item, variation, etc.) by ID.
- Find customer
Returns customer details for the specified customer ID.
- Find order
Retrieves an order by ID.
- Find payment
Retrieves a payment by ID.
- List locations
Lists all business locations for the connected Square account.
- List payments
Lists payments for the connected merchant, newest first.
- Search catalog objects
Searches catalog objects by type (ITEM, CATEGORY, etc.).
- Search customers
Searches customer profiles by email, phone, or reference ID.
- Search orders
Searches orders for the specified location(s).
- Update customer
Updates an existing customer profile.
- Update order
Updates an open Square order by adding or replacing fields, or clearing them. Completed or canceled orders cannot be updated.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
More from MailCheck.ai
MailCheck.ai to SalesforceSalesforce is a leading enterprise customer relationship management (CRM) platform.
MailCheck.ai to SlackSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
MailCheck.ai to MailchimpMailchimp marketing automation and email platform.
MailCheck.ai to StripeStripe is a payment processing platform for online businesses.
MailCheck.ai to ShopifyShopify is a commerce platform for online stores and retail point-of-sale.
MailCheck.ai to QuickBooks OnlineQuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...
More into Square
OpenAI to SquareOpenAI's platform for text generation (Responses + Chat Completions), image generation (gpt-image-1 /...
Capsule CRM to SquareCapsule is an online hosted CRM system for individuals, small businesses and sales teams wanting a simple...
HubSpot to SquareHubSpot is your all-in-one stop for all of your marketing software needs.
Google Sheets to SquareGoogle Sheets
Questions
MailCheck.ai and Square, answered
What can start an automation from MailCheck.ai?
Any of MailCheck.ai's 4 triggers in the catalog, including Domain added to blocklist (instant), Domain flagged as relay (instant), Domain flagged as spam (instant) and Domain unflagged as spam (instant). Describe the moment in plain language and your agent picks the right one.
What can your agent do in Square when something happens in MailCheck.ai?
Any of Square's 19 actions, including Create customer, Update customer, Update order and Add catalog object. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Square to MailCheck.ai?
Yes. When something happens in Square, your agent can act in MailCheck.ai too. This page covers both directions: Square's triggers and MailCheck.ai's actions are listed here as well.
Do I have to build a connector for MailCheck.ai or Square?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.